/*****************************************************************************
 * Copyright (c) 2019, Nations Technologies Inc.
 *
 * All rights reserved.
 * ****************************************************************************
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Nations' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ****************************************************************************/

/**
 * @file usb_endp.c
 * @author Nations
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */
#include "hw_config.h"
#include "usb_lib.h"
#include "usb_istr.h"

uint8_t Receive_Buffer[2];
extern __IO uint8_t PrevXferComplete;
extern u8 key_buffer[8];
extern u8* Ep1DataPtr;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/**
 * @brief  EP1 OUT Callback Routine.
 */
void EP1_OUT_Callback(void)
{
    uint8_t data_length=0;
    /* Read received data (2 bytes) */  
    data_length = USB_SilRead(EP1_OUT, Receive_Buffer);
  
    if(data_length == 1)
    {
        if(Receive_Buffer[0] & 0x02)
        {
            open_capslock_led();
        }
        else
        {
            close_capslock_led();
        }
        if(Receive_Buffer[0] & 0x01)
        {
            open_numlock_led();
        }
        else
        {
            close_numlock_led(); 
        }
    }
    /* Enable the receive of data on EP1 */
    SetEPRxStatus(ENDP1, EP_RX_VALID);
}

/**
 * @brief  EP1 IN Callback Routine.
 */
void EP1_IN_Callback(void)
{
    _SetEPTxStatus(ENDP1, EP_TX_NAK);
    PrevXferComplete = 1;
    Ep1DataPtr       = key_buffer;
    USB_SilWrite(EP1_IN, Ep1DataPtr, 8);
    _SetEPTxStatus(ENDP1, EP_TX_VALID);
}
/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */
